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CS 250 – Section A
CRN 60317
Fall 2017
Exams
Exam 1
on
Not yet answered
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Question 1 A) What is the difference between a shallow copy
and a deep copy of an array of objects. Which
Marked out of 10.00 does Java do automatically with the clone()
method? How do you make the other? Give a
circumstance where a shallow copy would suffice
and an circumstance where a deep copy is
necessary.
B) Explain ‘random access structure’ and
‘noncontinguous structure and how each applies to
lists. Is each an advantage or a disadvantage of
lists, and why?
C) Are arrays an example of a stack or a queue?
What about lists? How does your answer tie in to
the implementation of the array/list? How would
you implement a stack? How would you implement
a queue?
B.
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< 000 T-Mobile 2:52 PM 27% stac.mrooms.net C O 8 A moodle oms ses CS 250 - Section A - CRN 60317 - Fall 2017 Exams Exam 1 Question 2 Not yet answered Flag question Write a nested for loop (a complete program is not required or expected) with at least three layers. Marked out of 10.00 For a 3-dimensional array of Strings, inputed by the user, it should output the sentence (with correct punctuation) formed by taking a word out of each dimension. The first dimension will contain names, the second verbs, and the third adverbs. B 1 T. 000 T-Mobile 2:53 PM 27% A stac.mrooms.net C 18 ZA moodle Jums ourses CS 250 - Section A - CRN 60317 - Fall 2017 Exams Exam 1 ງ Question 3 Not yet answered 6 Write a method for an ArrayList (a complete program is neither required nor expected) that Marked out of 10.00 takes any ArrayList created by the user, and add elements similar to the following example: Flag question If the original ArrayList is 4, 2, 3, -2 then the new one would be: 4, 3, 2, 1, 2, 1, 3, 2, 1, -2, -1 Notice that we took each element, then added all the elements down to 1 (for a positive element) or up to -1 (for a negative element) after it. В B. 1 TX < 000 T-Mobile 2:53 PM 27% A stac.mrooms.net C B 8 A moodle es CS 250 - Section A - CRN 60317 - Fall 2017 Exams Exam 1 Question 4 Not yet answered Flag question Write a method for an Array (a complete program is neither required nor expected) that requires an Marked out of 10.00 input of k, then takes each element and moves it k positions up and then multiplies it by k. Note, if the Array has 5 elements, and k=2, the fourth element would be placed in the first position (4+k=4+2=6, but start counting again at the beginning). You must create your own method, not use any existing methods. B I TX 000 T-Mobile 2:53 PM 27% A stac.mrooms.net C urses CS 250 Section A - CRN 60317 - Fall 2017 Exams Exam 1 Not yet answered 6 Question 5 Write a method for a Singly Linked List as constructed in class (a complete program is Marked out of 10.00 neither required nor expected) which switches the head and the tail. Flag question B. 1 TX Maximum size for new files: 500MB, maximum attachments: 1 00 DO Files